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Finding the Third Proportional to 423,796 and 914,810

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Solution

The third proportional to 423,796 and 914,810 is: 1,974,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,796 : 914,810 = 914,810 : x
  2. Step 2: Convert to fraction form
    423,796/914,810 = 914,810/x
  3. Step 3: Cross multiply
    423,796x = 914,810 × 914,810
  4. Step 4: Simplify right side
    423,796x = 836,877,336,100
  5. Step 5: Solve for x
    x = 836,877,336,100/423,796
  6. Step 6: Final answer
    x = 1,974,717.40

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.